<form action="action.php" method="POST" id="thread_form">
Titolo:<br>
<input type="text" class="tt ui-corner-all" name="title" id="title" maxlength="150"/><br><br><br>
Testo:<br>
<textarea rows="15" class="tt ui-corner-all" name="content" id="hb"></textarea><br><br>
<input type="submit" name="nt" value="salva" class="button ui-corner-all ui-state-defaul"/>

</form>